619391108

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{2039}}^1$

素因数の和:2640

約数の個数: 48

約数和(自身を含む): 1306905600

約数和(自身を除く): 687514492

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 571, 1142, 2039, 2284, 3997, 4078, 7994, 8156, 10849, 14273, 15988, 21698, 28546, 38741, 43396, 57092, 75943, 77482, 151886, 154964, 271187, 303772, 542374, 1084748, 1164269, 2328538, 4657076, 8149883, 16299766, 22121111, 32599532, 44242222, 88484444, 154847777, 309695554, 619391108]

約数ペア:

[(1, 619391108), (2, 309695554), (4, 154847777), (7, 88484444), (14, 44242222), (19, 32599532), (28, 22121111), (38, 16299766), (76, 8149883), (133, 4657076), (266, 2328538), (532, 1164269), (571, 1084748), (1142, 542374), (2039, 303772), (2284, 271187), (3997, 154964), (4078, 151886), (7994, 77482), (8156, 75943), (10849, 57092), (14273, 43396), (15988, 38741), (21698, 28546)]